3 to 6 GHz
A CMOS 3 1 10 6 GHz UWB LNA Employing Modified Derivative Superposition Method
... Low noise amplifier (LNA) performs as the initial amplification block in the receive path in a radio frequency (RF) re- ceiver. In this work an ultra-wideband 3.1 - 10.6-GHz LNA is discussed. By using the proposed ...
5
Pattern and frequency reconfigurable antenna for wireless applications
... Various studies have been carried on some pattern and frequency reconfigurable antenna structure by applying switching PIN diodes and dc bias network on the antenna topology [3]-[4]. Therefore, this project is ...
25
Simulation Modeling on Dispersion Shaping and Harmonic Suppression in Helix TWT from 2 GHz to 6 GHz
... suppression are demonstrated in [7–10]. Experimental investigation of harmonic suppression is presented in [11–13]. However, the simulation has become another important tool for TWT research in recent years [14–20]. This ...
13
A Compact Dual Sharp Band-Notched UWB Antenna with Open-Ended Slots
... 3.1–10.6 GHz frequency band will interference existing wireless communication systems, ...3.3–3.6 GHz) and wireless local area network (WLAN) for IEEE ...
8
Slotted ultra wideband (UWB) antenna with enhanced bandwidth for wireless applications
... The measured result displays similar pattern as of the simulated result, except with sharper curves or lower return loss values. The impedance bandwidth of the measured result covers the range from 3 GHz to ...
6
A Compact Triple Band Meandered Line Antenna for 2 4/3 6/5 GHZ WIFI SAT COM Applications
... This paper presents A Compact Triple Band Antenna for 2.4/3.6/5 GHz WIFI and SAT.COM Applications. The proposed antenna completely covers IEEE standards IEEE 802.11b/g at 2.4 GHz, IEEE 802.11a at 5 ...
5
A 6-10 GHz FM-UWB Transmitter
... Ultra-wideband (UWB) technology is one of the most recent communication technologies which enable data transmission over a wide spectrum of frequency bands from 3.1 to 10.6 GHz with very low power and high data ...
6
Broadband Circularly Polarized Cross Shaped Slot Antenna with an Improved Feedline
... between 3–6 ...broadside 3 dB axial ratio bandwidth of 68.7% (3.1–6.35 GHz) within a measured impedance bandwidth of ...(2.61–6.4 GHz) for S 11 < −10 dB is ...
9
Novel Dual-Composite Right/Left-Handed Transmission Line and its Application to Bandstop Filter
... 5.1 GHz, and the bandwidth of stopband is 90.2%, because of the 3-dB bandwidth is ...5.2 GHz, and the 20-dB bandwidth is 4.6 GHz, the shape factor is ...
7
Design of Modified 6-18 GHz Balanced Antipodal Vivaldi Antenna
... for 6 GHz, 8 GHz, 10 GHz, 12 GHz, 14 GHz, 16 GHz and 18 GHz on xy-plane, respectively, which spread along the slot region and are guided by the triangular ...
15
Additive Manufactured Double-Ridged Horn Antenna for UWB Applications
... The antenna design requirements include a bandwidth covering the whole UWB frequency band from 3.1 to 10.6 GHz (i.e., a fractional bandwidth close to 100%), a compact size, a light-weighted device and connectivity ...
7
The 6-GHz Multibeam Maser Survey III: Comparison between the MMB and HOPS
... 6.7- GHz methanol masers to the regions that have both 6.7- and 12.2-GHz emission we find that the temperatures at the locations of ...Table 3) than those without (Wilcoxon rank-sum gives a p- value ...
16
Compact Dual Band-Reject UWB Antenna with Sharp Band-Edge Frequency
... (3.3–3.8 GHz) and WLAN (5.15–5.35 GHz and 5.725– 5.825 GHz) band, UWB system with stop band characteristics are ...3.1–10.6 GHz band ...
15
130 nm Flat Gain LNA for 6 -9 GHz UWB Applications
... 3.1-10.6 GHz wireless receivers using a three-section reactive input network to match an inductively degenerated MOS transistor to a 50- ...the 3-dB bandwidth of 4.7GHz to 10.5 GHz, low minimum noise ...
5
A Novel Miniature Stripline Fed Antenna with Band-Notched Function for UWB Applications
... Abstract—A novel compact strip-line fed UWB antenna with band- notched characteristic is proposed. By employing a balanced antipodal structure and strip-line feed, the size of this antenna has been reduced to only 23 mm ...
10
6 7 GHz maser astrometry with the Australian long baseline array
... 10 3 AU) of young high–mass stars, how sub–milliarcsecond astrometry is required to measure trigonometric parallaxes that provide the most reliable distances to these regions, and how accurate distances to such ...
183
A Current-Mode-Logic-Based Frequency Divider with Ultra-Wideband and Octet Phases
... The proposed ÷ 4 Octave FD was fabricated with 0.18 µ m 1P6M CMOS technology. The chip micrograph is shown in Fig. 3(b), and the size is 0 . 78 × 0 . 79 mm 2 . With a 1.8 V dc supply voltage, the ÷ 4 Octave FD ...
10
Performance, diagnostics, controls and plans for the gyrotron system on the DIII-D tokamak
... 60 GHz were operating, to study heating and current drive efficiency, to verify quantitatively the theory of wave-particle interactions at the fundamental of the electron cyclotron resonance frequency, and to ...
6
An Array Antenna Design For RF Energy Harvesting System
... This chapter present the researched journals that were reviewed about antenna deigns at frequency of 2.45 GHz with a high gain. After correcting the desired journals, Comparisons were carried among them. In ...
24